Desa MDVFST Indoor Fireplace User Manual


 
2
106442
MDVFST DIRECT-VENT GAS FIREPLACE
®
FRONT VIEW
30
(76cm)
(Opening)
23
5
/
8
(60cm)
25 (64cm)
RIGHT SIDE
22
5
/
8
(57cm)
43
1
/
8
(110cm)
32 (81cm) (Opening)
1
7
/
8
(5cm)
1
1
/
4
(3cm)
BACK VIEW
39
3
/
4
(101cm)
26
3
/
8
(67cm)
3 (8cm)
1 (3cm)
2 (5cm)
3 (8cm)
22
5
/
8
(57cm)
34
3
/
4
(88cm)
TOP VIEW
(Left Side)
(Right Side)
(Front)
(Back)
23
5
/
8
(60cm)
11
15
/
16
(30cm)
10
1
/
2
(27cm)
ø1.5
(4cm)
ø1.5
(4cm)
11
1
/
8
(28cm)
Model MDVFST is a two-sided direct-vent gas
fireplace with a sealed combustion chamber.
Model MDVFST is specifically designed
for use in manufactured (mobile) homes.
This appliance uses a millivolt gas control
valve and a millivolt ignition system. The
INTRODUCTION
WARNING: Installation and
repair must be done by a quali-
fied installer/service person. The
appliance should be inspected
before use, and at least annually
thereafter by a qualified service
person. More frequent cleaning
may be required due to exces-
sive lint from carpeting, bedding,
material, pet hair, etc. It is im-
perative that the control compart-
ments, burners, and circulating
air systems be kept clean.
NOTICE: This appliance is in-
tended to be used only for supple-
mental heat.
fireplace includes a manual variable blower,
electrical junction box, flexible gas line,
equipment shutoff valve, and an ON/OFF
hand-held remote control. Model MDVFST
is convertible with the fireplace factory setup
as natural gas. For details on conversion, see
pages 21 and 22.
NOTICE: Check local building
codes for area requirements be-
fore installing this appliance.
If you have any doubts as to which gas your
particular appliance is approved and tested
for, please check the CSA/AGA/CGA rat-
ing plate located at the interior of the appli-
ance opening or consult your local distribu-
tor (see Figure 1).
BEFORE YOU BEGIN
Before beginning the installation of this
appliance, read these instructions through
completely.
This DESA appliance and its approved com-
ponents are safe when installed according to
this installation manual and operated as
recommended by DESA. Unless you use
DESA approved components tested for this
appliance, YOU MAY CAUSE A SAFETY
HAZARD!
Back of
Surround
Figure 1 - MDVFST (See Thru) Dimensions
Rating Plate
Location
Left Side
Surround
Right Side
Surround
GLOSSARY OF
TERMS
Chase - A boxlike enclosure to protect
venting from the elements when the venting
run is on the outside of a structure.
Mastic - A pliable sealant for use around the
vent terminal.
Snorkel Termination - A box that raises the
horizontal termination above ground level
clearances.
Vent Terminal - Mounted on an outside
wall or roof to separate the inlet and outlet of
the vent system and protect it from weather.
Vinyl Siding Standoff - A metal box that
separates the vent cap from vinyl siding.
Wall Thimble/Firestop - A metal plate used
to secure the vent pipe when it passes through
a wall or ceiling.
Alternate Gas
Supply Inlets
Note:
All dimensions in this manual are in inches unless otherwise specified.
The DESA warranty will be voided by, and
DESA disclaims any responsibility for the
following actions:
A) Modification of the appliance or any
of the components manufactured by
DESA unless otherwise permitted in
writing by DESA.
B) The use of any components part not ap-
proved by DESA in combination with
this DESA appliance.
C) Installation and/or operation in a man-
ner other than instructed in this manual.
D) The burning of anything other than the
type of gas approved for use in this gas
appliance.
This appliance, when installed, must be elec-
trically grounded in accordance with local
codes, or in the absence of local codes, with the
National Electrical Code, ANS/NFPA 70 or
the Canadian Electrical Code, CSA C22.1.
The installation must conform with local codes
or, in the absence of local codes, with the
National Fuel Gas Code, ANS Z223.1 or the
Canadian Installation Code, CAN/CGA B149.
This appliance complies with ANS Z21.50-
1998/CSA 2.22-M48 as a VENTED GAS
FIREPLACE. It is listed and tested by CSA.